- Patent Title: Process for heating the column for distillation of the C3 fraction from an FCC unit by means of a circuit of water heated by streams belonging to units placed upstream and/or downstream of the FCC unit
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Application No.: US14902065Application Date: 2014-06-06
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Publication No.: US10473391B2Publication Date: 2019-11-12
- Inventor: Romina Digne , Heloise Dreux , Frederic Feugnet , Nicolas Lambert
- Applicant: IFP ENERGIES NOUVELLES
- Applicant Address: FR Rueil-Malmaison
- Assignee: IFP ENERGIES NOUVELLES
- Current Assignee: IFP ENERGIES NOUVELLES
- Current Assignee Address: FR Rueil-Malmaison
- Agency: Millen White Zelano & Branigan, PC
- Priority: FR1356393 20130701
- International Application: PCT/FR2014/051359 WO 20140606
- International Announcement: WO2015/001214 WO 20150108
- Main IPC: F25J3/02
- IPC: F25J3/02 ; C10G69/04 ; B01D3/32 ; C07C7/04 ; B01D3/00 ; B01D3/14 ; C10G45/72 ; C10G7/12 ; C10G11/18
Abstract:
The present invention describes a process for heating the reboiler of the propane/propylene separation column situated downstream of an FCC unit and fed with the C3 cut from said FCC unit, a process consisting of heating the water in a hot water circuit by means of one or more process fluids originating from units placed upstream and/or downstream of the FCC unit and called hot fluids, one of these fluids being constituted by the overhead vapours from the fractionation column connected to the mild hydrocracking unit.
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